Mechanical engineering
Ask technical questions regarding anything to do with mechanical engineering, alternatively start your own thread. To do this you need to read the ‘about your building services forum’ section on the right. – Administrator
Building Services forum
For The Building Services Professional
Can some one tell me the correct seperation for Suppy and Extract on an external elevation, i have confliting inflrmation, 300mm internl face to face is one, but not sure if this is correct, also i need to comply with BREEAM,